Multi-drum barking machine

A barking machine comprising:

• a container for accommodating logs longitudinally therein, said container having a first longitudinal side wall with a lower end, a second longitudinal side wall opposite to the first longitudinal side wall, and a bottom wall including a first longitudinal opening adjacent to the lower end of the first side wall, a second intermediate longitudinal opening, and a third longitudinal opening situated on the side of the second longitudinal opening opposite to the first longitudinal opening;
• first, second and third longitudinal rotary drum members rotatively mounted in the first, second and third longitudinal openings, respectively, to expose a top portion of said first, second and third rotary drum members inside the container;
• a plurality of outer barking teeth distributed on the rotary drum members to contact the logs as said rotary drum members rotate to bark said logs;
• and
• means for rotating said rotary drum members in the same direction to displace the barking teeth of the top portion of the rotary drum members in the direction of the first side wall;
• wherein said bottom wall and said rotary drum members form a wall and drum member assembly having a first slope from the first drum member to the second drum member and a second slope smaller than said first slope from the second drum member to the third drum member.